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A session binding method, routing agent and pcrf

A technology of routing and session information, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve problems such as increasing the processing overhead of DRA

Active Publication Date: 2020-02-18
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the method of associating users under the PCC architecture, that is, binding sessions is mainly: using the binding scheme of user private network IP address + public network IP address. In this way, all public network IP addresses and policy control and The pairing of the corresponding relationship between PCEF (Policy and Charging Enforcement Function) will greatly increase the processing overhead of DRA

Method used

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  • A session binding method, routing agent and pcrf
  • A session binding method, routing agent and pcrf
  • A session binding method, routing agent and pcrf

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] This embodiment provides a session binding method, which is applied to the first LDRA, such as image 3 As shown, the method includes the following steps:

[0108] Step 301: Receive a first Rx interface request message;

[0109] Here, in actual application, when a user conducts business, he will apply for a service request to an access node (such as an AAC node or SCEF, etc.). At this time, the service request message received by the access node may come from the user (UE) itself The service request message sent by the terminal, that is, the UE, may also be a service request message sent by the service platform (AF). According to the needs of the service type, it can be determined whether the user sends the service request message to the access node or the service platform sends the service request message to the access node.

[0110] Wherein, the service request message carries the user's public network IP address information, private network IP address information a...

Embodiment 2

[0152] On the basis of Embodiment 1, this embodiment describes in detail how to perform session binding.

[0153] In this embodiment, the access node is an AAC node.

[0154] Such as Image 6 As shown, the process of session binding mainly includes the following steps:

[0155] Step 601: Configure the corresponding corresponding relationship tables on LDRA and HDRA, and then perform step 601;

[0156] Specifically, configure the user public network IP address and LDRA correspondence table on HDRA, and the user public network IP address and HDRA correspondence table; configure the user public network IP address and PCEF correspondence table in this tandem area on LDRA, At the same time, you can also configure the corresponding relationship table between the user's public network IP address in the adjacent tandem area and the adjacent directly connected LDRA on the LDRA.

[0157] The corresponding corresponding relationship table configured on LDRA and HDRA can be as follows ...

Embodiment 3

[0194] In order to realize the method of the embodiment of the present invention, this embodiment provides an LDRA, such as Figure 8 As shown, the LDRA includes: a first receiving unit 81, a first matching unit 82, a first session binding unit 83, a filling unit 84, and a first sending unit 85; wherein,

[0195] The first receiving unit 81 is configured to receive a first Rx interface request message;

[0196] The first matching unit 82 is configured to use the locally configured first correspondence table, the locally stored Gx interface The session information is matched with the user public network IP address information carried in the first Rx interface request message; the first correspondence table is a correspondence table between the user public network IP address and PCEF in the LDRA tandem area;

[0197] The first session binding unit 83 is configured to perform session binding when the first matching relationship is obtained;

[0198] The filling unit 84 is confi...

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Abstract

The invention discloses a session binding method, comprising: a first LDRA receives a first Rx interface request message; when it is determined that the first Rx interface request message does not carry a target PCRF identifier, the locally configured first correspondence table , The locally stored Gx interface session information is matched with the user public network IP address information carried in the first Rx interface request message; the first correspondence table is the user public network IP in the first LDRA tandem area Address and PCEF correspondence table; when the first matching relationship is obtained, session binding is performed; and the PCEF identification corresponding to the first matching relationship and the corresponding PCRF identification are filled in the Rx interface request message to obtain the second Rx An interface request message; the corresponding PCEF identifier is used for the corresponding PCRF to perform session binding; and the second Rx interface request message is routed according to the corresponding PCRF identifier. The invention also discloses LDRA, HDRA and PCRF at the same time.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a session binding method, a routing agent (DRA, DiameterRouting Agent) and a policy control and charging rule function entity (PCRF, Policy and Charging RulesFunction). Background technique [0002] In order to achieve the goals of differentiated service capabilities, resource grooming capabilities, and network traffic optimization capabilities, according to the standards of the Third Generation Partnership Project (3GPP, 3rd Generation Partnership Project), policy and charging control (PCC) is introduced into the existing packet network. , Policy and Charging Control) system architecture controls the quality of service (QoS, Quality of Service) of the packet data service. [0003] At present, the method of associating users under the PCC architecture, that is, binding sessions is mainly: using the binding scheme of user private network IP address + public network IP...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08H04L12/24
CPCH04L41/5029H04L67/02H04L61/503
Inventor 黄震宁朱琳
Owner CHINA MOBILE COMM GRP CO LTD
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